Home / 144,945.80-217,418.70-115,202.60

Finding the Fourth Proportional to 144,945.80, 217,418.70 and 115,202.60

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Solution

The fourth proportional to 144,945.80, 217,418.70 and 115,202.60 is: 172,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,945.80 : 217,418.70 = 115,202.60 : x
  2. Step 2: Convert to fraction form
    144,945.80/217,418.70 = 115,202.60/x
  3. Step 3: Cross multiply
    144,945.80x = 217,418.70 × 115,202.60
  4. Step 4: Simplify right side
    144,945.80x = 25,047,199,528.62
  5. Step 5: Solve for x
    x = 25,047,199,528.62/144,945.80
  6. Step 6: Final answer
    x = 172,803.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.